/**
 * Axelor Business Solutions
 *
 * Copyright (C) 2017 Axelor (<http://axelor.com>).
 *
 * This program is free software: you can redistribute it and/or  modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.axelor.apps.account.web;

import com.axelor.apps.account.db.PayVoucherElementToPay;
import com.axelor.apps.account.db.repo.PayVoucherElementToPayRepository;
import com.axelor.apps.base.db.Currency;
import com.axelor.apps.base.service.CurrencyService;
import com.axelor.exception.AxelorException;
import com.axelor.exception.service.TraceBackService;
import com.axelor.rpc.ActionRequest;
import com.axelor.rpc.ActionResponse;
import com.google.inject.Inject;
import com.google.inject.persist.Transactional;

import java.math.BigDecimal;


public class PayVoucherElementController {

    private CurrencyService currencyService;
    private PayVoucherElementToPayRepository elementToPayRepository;

    @Inject
    PayVoucherElementController(CurrencyService currencyService,
                                PayVoucherElementToPayRepository elementToPayRepository) {
        this.currencyService = currencyService;
        this.elementToPayRepository = elementToPayRepository;
    }

    @Transactional
    public void updateAmountToPayCurrency(ActionRequest request, ActionResponse response) {
        PayVoucherElementToPay elementToPayContext = request.getContext().asType(PayVoucherElementToPay.class);
        PayVoucherElementToPay elementToPay = this.elementToPayRepository.find(elementToPayContext.getId());
        Currency paymentVoucherCurrency = elementToPay.getPaymentVoucher().getCurrency();
        BigDecimal amountToPayCurrency = null;
        try {
            amountToPayCurrency = currencyService.getAmountCurrencyConvertedAtDate(
                    elementToPay.getCurrency(),
                    paymentVoucherCurrency,
                    elementToPay.getAmountToPay(),
                    elementToPay.getPaymentVoucher().getPaymentDate()
            );
        } catch(AxelorException e) {
            TraceBackService.trace(response, e);
        }
        if (amountToPayCurrency != null) {
            elementToPay.setAmountToPayCurrency(amountToPayCurrency);
            elementToPayRepository.save(elementToPay);
            response.setReload(true);
        }
    }
}